# STC SE1047NE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Windsor Gear and Drive Inc, Canada
- Description: Replacment of Pratt & Whitney intermediate supercharger shaftgears P/N's 145860 and 145861 with Windsor Aerospace P/N's WA-145860 and WA-145861, respectively.
- Status date: May 10, 1995
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-231](https://openairdocs.org/tcds/E-231), [TCDS E-264](https://openairdocs.org/tcds/E-264)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2CD3A5D040F3291585256CC2005A742E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE1047NE

## ADs that name it (0)

None.

## Approved models (2)

- Pratt & Whitney Division Double Wasp CA3 ([TCDS E-231](https://openairdocs.org/tcds/E-231))
- Pratt & Whitney Division Double Wasp CB3 ([TCDS E-264](https://openairdocs.org/tcds/E-264))

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